09-21-2009, 04:59 AM
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| Member
Join Date: Apr 2007 Location: New York
Posts: 143
Car: 1989 Firebird Formula 350 TPI Engine: 5.7 350 TPI | oil pressure temp guage
| Was just wondering what the normal operating pressure should read on a fully stock 89 350 TPI Formula Firebird? I recently did a oil change. Now when first turning the car on it reads in the middle at 60 give or take. After driving for awhile it drops below that. When at a stop (like a traffic light or stop sign) it will read just a few notches above the red bar. When driving (depending how hard/fast it will read between the 30 and 60 marks. Prior to the oil change it was the opposite. still in the middle area before car was fully warm, but when driving it was constly on the higher side of the 60 and responded more to me getting on the gas. It would shoot way up near the top when on a highway. Was just wondering what it should be at and should I be worried about anything. Thanks. | | | |
 
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